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UBSAN: shift-out-of-bounds in net/core/gen_estimator.c:83:38
shift exponent -119 is negative
CPU: 1 PID: 4894 Comm: systemd-udevd Not tainted 5.10.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x107/0x163 lib/dump_stack.c:120
 ubsan_epilogue+0xb/0x5a lib/ubsan.c:148
 __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 lib/ubsan.c:395
 est_timer.cold+0xbb/0x12d net/core/gen_estimator.c:83
 call_timer_fn+0x1a5/0x710 kernel/time/timer.c:1417
 expire_timers kernel/time/timer.c:1462 [inline]
 __run_timers.part.0+0x692/0xa80 kernel/time/timer.c:1731
 __run_timers kernel/time/timer.c:1712 [inline]
 run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1744
 __do_softirq+0x2bc/0xa77 kernel/softirq.c:343
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0xaa/0xd0 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:226 [inline]
 __irq_exit_rcu+0x17f/0x200 kernel/softirq.c:420
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:432
 sysvec_apic_timer_interrupt+0x4d/0x100 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628
RIP: 0010:check_kcov_mode+0xf/0x40 kernel/kcov.c:163
Code: 25 43 00 e9 a1 fe ff ff 48 8b 3c 24 e8 1a 25 43 00 e9 18 fe ff ff cc cc cc cc cc 65 8b 05 59 da 8f 7e 89 c2 81 e2 00 01 00 00 <a9> 00 01 ff 00 74 10 31 c0 85 d2 74 15 8b 96 cc 14 00 00 85 d2 74
RSP: 0018:ffffc90000ecfa08 EFLAGS: 00000246
RAX: 0000000080000000 RBX: 000000000000003e RCX: ffff88801297d040
RDX: 0000000000000000 RSI: ffff88801297d040 RDI: 0000000000000003
RBP: dffffc0000000000 R08: 0000000000000000 R09: 000000000000003e
R10: ffffffff8386c476 R11: 00000000000000ff R12: ffffc90000ecfb50
R13: ffff888014eed900 R14: ffff888014eed9b0 R15: 000000000000003e
 write_comp_data kernel/kcov.c:218 [inline]
 __sanitizer_cov_trace_const_cmp2+0x22/0x80 kernel/kcov.c:277
 tomoyo_check_acl+0x316/0x450 security/tomoyo/domain.c:183
 tomoyo_path_permission security/tomoyo/file.c:586 [inline]
 tomoyo_path_permission+0x1ff/0x3a0 security/tomoyo/file.c:573
 tomoyo_path_perm+0x2ec/0x3f0 security/tomoyo/file.c:838
 security_inode_getattr+0xcf/0x140 security/security.c:1280
 vfs_getattr fs/stat.c:121 [inline]
 vfs_statx+0x164/0x390 fs/stat.c:189
 vfs_fstatat fs/stat.c:207 [inline]
 vfs_lstat include/linux/fs.h:3123 [inline]
 __do_sys_newlstat+0x91/0x110 fs/stat.c:362
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fb782338335
Code: 69 db 2b 00 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 83 ff 01 48 89 f0 77 30 48 89 c7 48 89 d6 b8 06 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 03 f3 c3 90 48 8b 15 31 db 2b 00 f7 d8 64 89
RSP: 002b:00007ffdaa5df768 EFLAGS: 00000246 ORIG_RAX: 0000000000000006
RAX: ffffffffffffffda RBX: 000056505665ef10 RCX: 00007fb782338335
RDX: 00007ffdaa5df7a0 RSI: 00007ffdaa5df7a0 RDI: 000056505665df10
RBP: 00007ffdaa5df860 R08: 00007fb7825f7258 R09: 0000000000001010
R10: 00007fb7825f6b58 R11: 0000000000000246 R12: 000056505665df10
R13: 000056505665df3a R14: 00005650566544a1 R15: 00005650566544aa
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